← United States · Coverage record
US · SEC FORM 4
Standard Nuclear, Inc.
STDN · NYSE · CIK 0002086716 · Basic Materials · Specialty Chemicals
INSIDER SIGNAL
1 buyers · 1 purchase transaction lines · $19.1M gross purchase
WHY THIS SIGNAL?
Score anatomy
Each bar shows the contribution to the current score; the weights and formula stay unchanged.
What is holding the score back?
- ⚠ Cluster breadth is moderate · 1 insider(s), not 4+
- ⚠ Role scores low · most senior buyer: TenPercentOwner (CEO, chair and 10% owners score lowest)
- ⚠ Purchase activity is becoming less recent
Purchase-size comments are relative to the model scale. Average daily volume is a separate market-context diagnostic.
US-v1.2 ranks qualifying equity purchases under the current 180-day rules. The score is a research priority, not a return forecast or probability. Backtests have not shown that a higher US score is followed by better returns.
Insider activity timeline
Owner lanes show the latest 180 days. Symbol shape identifies the transaction type; sales remain context only.
Showing the six most active owners; 8 additional owner(s) remain in Form 4 evidence.
Purchase breadth & concentration
Roles in the peak window: TenPercentOwner. Concentration uses priced qualifying P lines only and does not change the saved score.
SIGNAL HISTORY
Latest recorded score
- 57.0
- 57.0
- 56.9
- 56.9
- 56.8
Only scores saved when a full US scoring run completed are shown; gaps are not reconstructed.
Recent Form 4 activity
P is an open-market or private purchase. S is a sale. M, F, A and G usually describe exercises, tax withholding, awards and gifts. These categories remain visually separate.
Market context
Market context provides additional background on recent price performance and risk. It does not affect the Insider Signal.
Price performance
- 1M
- +12.3%
- 3M
- —
- 6M
- —
- 12M
- —
Volatility & liquidity
- Volatility
- 127.2%
- Beta
- —
- Avg daily value
- USD 12.5M
Valuation
- Market cap
- —
- P/E
- —
Fundamentals
- Profit margin
- —
- ROE
- —
- Industry
- Specialty Chemicals
Market data
Price data up to: 2026-10-11 · Price source: OpenBB/yfinance; volume from price cache (yfinance) · Status: PASS
Short interest
Short interest is external context reported to FINRA by broker-dealers. It does not affect the Insider Signal.
- Shares short
- 3,122,403
- Previous report
- 2,582,085
- Avg daily volume
- 542,992
- Days to cover
- 5.8
FINRA settlement date: 2026-09-30 · Captured 2026-10-12 · FINRA equity short interest ↗. A share count, published about a week after each of two settlement dates a month; not a percentage of shares outstanding.
Historical equity purchases
Qualifying code P transactions in the local Form 4 history, including purchases outside the current signal window.
| Transaction date | Reporting owner | Type | Security | Shares | Avg. price | Approx. value | Source |
|---|---|---|---|---|---|---|---|
| 2026-07-16 | Decisive Point Group, LLC | Purchase (P) | Class A Common Stock | 1,275,496 | USD 15.00 | USD 19,132,440 | SEC filing ↗ |
Form 4 evidence
38 transaction lines in the latest 365-day window; 38 in local history.
| Date | Owner | Type | Security | Shares | Avg. price | Approx. value | Source |
|---|---|---|---|---|---|---|---|
| 2026-08-12 | Cohen Seth Michael | Award / grant (A) | Class A common stock | 13,255 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-08-12 | Cohen Seth Michael | Award / grant (A) | Class A common stock | 13,255 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-07-20 | Terrani Kurt Amir | Gift (G) | Class A common stock | 1,109,374 | USD 0.00 | USD 0 | SEC filing ↗ |
Show recent Form 4 evidence (22 grouped rows)
| Date | Owner | Type | Security | Shares | Avg. price | Approx. value | Source |
|---|---|---|---|---|---|---|---|
| 2026-08-12 | Cohen Seth Michael | Award / grant (A) | Class A common stock | 13,255 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-08-12 | Cohen Seth Michael | Award / grant (A) | Class A common stock | 13,255 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-07-20 | Terrani Kurt Amir | Gift (G) | Class A common stock | 1,109,374 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-07-17 | Fundomo SN-001 GP, LLC; Fundomo SN-001, LP; Fundomo SN-002 GP, LLC; Fundomo SN-002, LP; Nobile Corey L. | C (C) | Class A Common Stock | 19,877,358 | USD — | USD — | SEC filing ↗ |
| 2026-07-17 | ST-1014 Fund I, a series of Fundomo Syndicates, LP | C (C) | Class A Common Stock | 14,000,000 | USD — | USD — | SEC filing ↗ |
| 2026-07-17 | Welara Capital Partners LLC Series 3 | C (C) | Class A Common Stock | 20,243,094 | USD — | USD — | SEC filing ↗ |
| 2026-07-17 | Fundomo SN-001, LP; Fundomo SN-002, LP | C (C) | Class A Common Stock | 19,877,358 | USD — | USD — | SEC filing ↗ |
| 2026-07-17 | Terrani Kurt Amir | Award / grant (A) | Class A common stock | 3,646,250 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-07-17 | Matina Alexander C | Award / grant (A) | Class A common stock | 16,667 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-07-17 | Marrocco Keeley Rose | Award / grant (A) | Class A common stock | 364,625 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-07-17 | Hendrix Thomas Edward | J (J) | Class A common stock | 5,824,308 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-07-17 | Hendrix Thomas Edward | C (C) | Class A common stock | 70,308 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-07-17 | Hendrix Thomas Edward | Award / grant (A) | Class A common stock | 2,734,687 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-07-17 | HARRILL KEVIN J | Award / grant (A) | Class A common stock | 546,937 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-07-17 | Decisive Point Group, LLC | C (C) | Class A Common Stock | 16,661,314 | USD — | USD — | SEC filing ↗ |
| 2026-07-16 | Decisive Point Group, LLC | Purchase (P) | Class A Common Stock | 1,275,496 | USD 15.00 | USD 19,132,440 | SEC filing ↗ |
| 2026-07-15 | Terrani Kurt Amir | Award / grant (A) | Class A common stock | 200,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-07-15 | Moul Donald A | Award / grant (A) | Class A common stock | 10,964 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-07-15 | Miller Austin Scott | Award / grant (A) | Class A common stock | 11,436 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-07-15 | Marrocco Keeley Rose | Award / grant (A) | Class A common stock | 200,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-07-15 | HARRILL KEVIN J | Award / grant (A) | Class A common stock | 100,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-07-15 | GHASEMIAN SHAHRAM | Award / grant (A) | Class A common stock | 500,000 | USD 0.00 | USD 0 | SEC filing ↗ |
Multiple price lines in one filing are grouped and share-weighted. Price and value are blank when a grouped filing line lacks price evidence.
Snapshot & identity
| Snapshot date | 2026-10-18 |
|---|---|
| Ranking version | US-v1.2 |
| Data quality | PASS ELIGIBLE · — |
| Ticker | STDN |
| CIK | 0002086716 |
| Sector | Basic Materials |
| Industry | Specialty Chemicals Yahoo Finance |
| SEC SIC | 2810 Industrial Inorganic Chemicals |
| Exchange | NYSE |
Data coverage
| Local Form 4 history | 38 transaction lines from 2026-07-15 to 2026-08-12 1 P purchase lines · 0 S sale lines · 37 other lines |
|---|---|
| SEC company submissions | Open SEC filings ↗ |
Local ledger as of 2026-10-18. Mapping status is an audit field and does not erase SEC filing evidence.